CodeOverview is a Coda webscript sidebar plugin
Provides a minaturized oveview of the currently active document to aid quick navigation. Click a line to jump straight to it.
The plugin options can be accessed by clicking the gear icon 
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- Download CodeOverview-master.zip.
- Unzip it.
- Double-click the "CodeOverview.codawebscriptsidebar" icon.
CodeOverview is released under the MIT Licence